Tektronix ECO422D, Инструкция по эксплуатации

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Performance Verification
5- 20
ECO422D SD/HD Changeover Unit Instruction Manual
15. Check Serial Digital Audio for Channels 2 through 11
Switch between 2 and 4 dB down from nominal
Repeat the previous two procedures for Channels 2 through 11 of the
ECO422D, for standard instruments (exclude Channels 4 through 6 if Opt.
ELSW is installed). Move the cables from Channel 1 to the channel under
test. Replace the switch setting for S1 as given in the following table.
Channel No. Switch No.
2 S2
3 S3
4 S4
5 S5
6 S6
7 S7
8 S8
9 S9
10 S10
11 S11
16. HD Serial Digital Component Check for Channel 1 Primary
Switch between 2 and 5 dB down from nominal
Connect the equipment as shown in Figure 5--5.
Serial Digital Video
Serial Digital Video, 720p 59.94 Hz
Step Attenuator
75
Ω
termination
HDVG7
Figure 5- 5: Setup to check the component serial digital video levels
Set the Channel Configuration switches to Disabled (signal not checked) for
all channels (set all the DIP switches on S1 through S11 to “open”).
Set the Channel Configuration switch to Serial Digital Video 1.485 Gb/s for
Channel 1. (Set S1--8 to “closed,” S1--1 through S1--7 to “open.”)
Set the step attenuator to 0 dB of attenuation.